Locking blunt cannula



FIG. 1 is a front perspective view of the locking blunt cannula of thepresent invention;

FIG. 2 is a front elevational view thereof, the rear elevational viewbeing a mirror image;

FIG. 3 is a left-side elevational view thereof, the right-sideelevational view being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for a locking blunt cannula, as shown anddescribed.